Latent inhibition in an insect: The role of aminergic signaling | Zendy

Vanesa M. Fernández | Zendy; Martín Giurfa | Zendy; JeanMarc Devaud | Zendy; Walter M. Farina | Zendy

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Latent inhibition in an insect: The role of aminergic signaling

Author(s) -

Vanesa M. Fernández,

Martín Giurfa,

JeanMarc Devaud,

Walter M. Farina

Publication year - 2012

Publication title -

learning and memory

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.228

H-Index - 136

eISSN - 1549-5485

pISSN - 1072-0502

DOI - 10.1101/lm.028167.112

Subject(s) - octopamine (neurotransmitter) , serotonin , dopamine , 5 ht receptor , olfaction , receptor , latent inhibition , insect , serotonin antagonists , classical conditioning , antagonist , biology , neuroscience , psychology , conditioning , chemistry , ecology , biochemistry , statistics , mathematics

Latent inhibition (LI) is a decrement in learning performance that results from the nonreinforced pre-exposure of the to-be-conditioned stimulus, in both vertebrates and invertebrates. In vertebrates, LI development involves dopamine and serotonin; in invertebrates there is yet no information. We studied differential olfactory conditioning of the proboscis extension response in the honeybee Apis mellifera, and we compared LI in individuals treated with antagonists of biogenic amines (dopamine, octopamine, and serotonin). An antagonist of octopamine receptors and two antagonists of serotonin receptors showed LI disruption. We thus provide evidence that serotonin would participate in the regulation of LI in honeybees.

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